LR38585

4

PIN NO. SYMBOL IO SYMBOL POLARITY

PIN NAME

DESCRIPTION

12

VD

O

Vertical drive pulse

output

The pulse occurs at the start of every field.

14

VD2I

ICSU

–

External VD pulse

input

An input pin for external VD pulse.

The priority is higher than LLIN (pin 13).

15

VRI

ICSU

–

Vertical reset input

An input pin for resetting internal vertical counter.

The input pulse is VSYNC (negative polarity).

16

O4MA2

Vertical transfer

pulse output 1

A pulse to drive vertical CCD shift register.

17

O4MA2

Vertical transfer

pulse output 2

A pulse to drive vertical CCD shift register.

18

O4MA2

Vertical transfer

pulse output 3

A pulse to drive vertical CCD shift register.

19

O4MA2

Vertical transfer

pulse output 4

A pulse to drive vertical CCD shift register.

20

ICD

–

Test pin 3

A test pin. Set open or to L level in normal mode.

21

GND

–

–

Ground

A grounding pin.

22

VTG

O12MHV

Readout pulse

output

A pulse that transfers the charge of the photo-diode to

the vertical shift register.

Connect to the VTG pin of the CCD.

23

–

–

Power supply

Supply of +12.5 V power.

25

OSCI

OSCI

–

Clock input

An input pin for reference clock oscillation.

Connect to OSCO (pin 26) with R.

The frequencies are as follows :

fH = Horizontal frequency

24

OFD

O12MHV

OFD pulse output

A pulse that sweeps the charge of the photo-diode for

electronic shutter. Connect to OFD of the CCD.

Held at L level in normal mode.

An output pin for reference clock oscillation.

The output is the inverse of OSCI (pin 25).

Clock output

–

OSC3M

OSCO

26

27

ICD

–

Test pin 4

A test pin. Set open or to L level in normal mode.

An input pin for line-lock pulse.

The priority is lower than VD2I (pin 14).

The inner mono-multivibrator is operated by the falling-

edge of LLIN. The width of mono-multivibrator output is

determined by R and C which are connected with RCIO

(pin 32).

Line-lock pulse input

–

ICSU

LLIN

13

TVMD

Frequency

L

19.0699 MHz (1 212 fH)

H

19.3125 MHz (1 236 fH)